12220100142 has 16 divisors (see below), whose sum is σ = 24441730560. Its totient is φ = 4073111672.

The previous prime is 12220100129. The next prime is 12220100153. The reversal of 12220100142 is 24100102221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57913 + ... + 166715.

It is an arithmetic number, because the mean of its divisors is an integer number (1527608160).

Almost surely, 2^12220100142 is an apocalyptic number.

12220100142 is an abundant number, since it is smaller than the sum of its proper divisors (12221630418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220100142 is a wasteful number, since it uses less digits than its factorization.

12220100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127527.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220100142 its reverse (24100102221), we get a palindrome (36320202363).

The spelling of 12220100142 in words is "twelve billion, two hundred twenty million, one hundred thousand, one hundred forty-two".